entity_object_table.h

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#ifndef DD__ENTITY_OBJECT_TABLE_INCLUDED
#define DD__ENTITY_OBJECT_TABLE_INCLUDED
 
#include "sql/dd/types/object_table.h"  // dd::Object_table
 
namespace dd {
 
///////////////////////////////////////////////////////////////////////////
 
class Entity_object;
class Open_dictionary_tables_ctx;
class Raw_record;
 
///////////////////////////////////////////////////////////////////////////
 
/**
  This class represents DD table like mysql.schemata,
  mysql.tables, mysql.tablespaces and more. These corresponds to
  base DD table where the Entity_object's are persisted.
 
  This class does not represent table like mysql.columns,
  mysql.indexes which hold metadata child objects object of
  mysql.tables and are not directly created/searched/dropped
  without accessing mysql.tables or dd::Table Dictionary object.
*/
class Entity_object_table : virtual public Object_table {
 public:
  ~Entity_object_table() override = default;
 
  virtual Entity_object *create_entity_object(
      const Raw_record &record) const = 0;
 
  virtual bool restore_object_from_record(Open_dictionary_tables_ctx *otx,
                                          const Raw_record &record,
                                          Entity_object **o) const = 0;
};
 
///////////////////////////////////////////////////////////////////////////
 
}  // namespace dd
 
#endif  // DD__ENTITY_OBJECT_TABLE_INCLUDED